6. The flow rate of blood through the average human aorta, of radius 0.95 cm, is...

Question

Question

Answer 1

Answer #1

Correct Ans:

(b)32 cm/s

explanation:

Given,

r = 0.95 cm ; V = 90 cm^3/s

We know that,

volume flow rate = area x velocity

velocity = volume flow rate/A

velocity = 90 cm^3/s/(3.14 x 0.95^2) = 31.76 cm/s = 32 cm/s

Hence, (b)32 cm/s

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7)correct ans:

(c)difference between the weight of the stone and the weight of water

Answer 2

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